3 Which best represents x, the missing angle measure on Sierra's homework?
A x= 30.8°
B x = 61.6°
C X= 75.8°
D x = 151.6°

Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?

What properties allow transformation to be used as a problem solving tool

What is the number 321,000,000 in scientific notation? also what is the number? ?